Athletic (6)
I believe the answer is:
sporty
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">athletic</span>' is the definition.<br/ ><span class="explanation-format__explanation">(athletic means sporty or fit)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for sporty that I've seen before include "Given to physical game-playing" , "preferring to play" , "Like some cars" , "This 13 [SPICE]" , "Flashy" .)